Q. Regarding pulmonary emboli, which statement is correct? (Solved)
1. a normal Aa gradient excludes a PE
2. a paO2>80 excludes a PE
3. a normal CXR excludes a PE
4. anticoagulation reduces mortality from PE from 30% to 10%
5. all of the above are correct
- d. anticoagulation reduces mortality from PE from 30% to 10%